svn commit: r268068 - releng/9.3/sys/x86/acpica

[Craig Rodrigues]

Author: rodrigc
Date: Mon Jun 30 23:39:13 2014
New Revision: 268068
URL: http://svnweb.freebsd.org/changeset/base/268068

Log:
  MFC r267821:
  
  Strict value checking will cause problem.
  Bay trail DN2820FYKH is supported on Linux but does not work on FreeBSD.
  This behaviour is bug-compatible with Linux-3.13.5.
  
  References:
  http://d.hatena.ne.jp/syuu1228/20140326
  http://lxr.linux.no/linux+v3.13.5/arch/x86/kernel/acpi/boot.c#L1094
  
  Submitted by: syuu
  PR: 187966
  Approved by: re (gjb)

Modified:
  releng/9.3/sys/x86/acpica/madt.c
Directory Properties:
  releng/9.3/sys/   (props changed)

Modified: releng/9.3/sys/x86/acpica/madt.c
==============================================================================
--- releng/9.3/sys/x86/acpica/madt.c	Mon Jun 30 23:34:36 2014	(r268067)
+++ releng/9.3/sys/x86/acpica/madt.c	Mon Jun 30 23:39:13 2014	(r268068)
@@ -306,10 +306,11 @@ interrupt_polarity(UINT16 IntiFlags, UIN
 	case ACPI_MADT_POLARITY_ACTIVE_HIGH:
 		return (INTR_POLARITY_HIGH);
 	case ACPI_MADT_POLARITY_ACTIVE_LOW:
-		return (INTR_POLARITY_LOW);
+		break;
 	default:
-		panic("Bogus Interrupt Polarity");
+		printf("WARNING: Bogus Interrupt Polarity. Assume POLALITY LOW");
 	}
+	return (INTR_POLARITY_LOW);
 }
 
 static enum intr_trigger
@@ -325,10 +326,13 @@ interrupt_trigger(UINT16 IntiFlags, UINT
 	case ACPI_MADT_TRIGGER_EDGE:
 		return (INTR_TRIGGER_EDGE);
 	case ACPI_MADT_TRIGGER_LEVEL:
-		return (INTR_TRIGGER_LEVEL);
+		break;
 	default:
-		panic("Bogus Interrupt Trigger Mode");
+		printf("WARNING: Bogus Interrupt Trigger Mode. Assume Level trigger.");
+		
+		break;
 	}
+	return (INTR_TRIGGER_LEVEL);
 }
 
 /*